A significant part of the high school experience is what takes place outside the classroom as extracurricular  activities. 

Saint Lawrence Academy students have a wide variety of activities from which to choose including clubs such as Roller Hockey, California Scholarship Federation, Bowling Club, Interact and more.  "Chalk the Walk," an event at the beginning of the year, enables students to join or start up new clubs.  All clubs have the following advantages in common:Each club has a faculty member moderator, which increases teacher/student interaction.Club meetings are held during the school day to ensure students the opportunity to participate.Each club hosts at least one activity per month.  Often clubs join together for group activities.In addition to clubs, these are some of the extracurricular activities that take place during the year:

• Homecoming Week
• Celtic Pride Days
• Mr. Celtic Contest
• Junior/Senior Prom
• Junior Ring Ceremony
• Unity Week
• Annual Dodgeball Rally
• Trivia Game Nights
• Class of the Year Competition
• Spring Musical